Special kit developed for the BMW 4-valve K-series (Note: this will not work on 2-valve models that have an AFM inside the airbox). This kit will remove the entire airbox and replaces it with 4 top quality open air filters by DNA. The kit comes with the following parts:

• 4x DNA rubber top oval clamp air filters
• 4x filter clamps
• 3x FDM rubber intake duct (cylinder 1-3)
• 1x FDM rubber intake duct with integrated airsensor mount
• 4x OETIKER clamp

The kit comes as a plug&play solution for direct mounting on the throttle bodies as per last image.